BSD 4.4 Lite Usr.bin Sources

1 files changed, 78 insertions, 0 deletions

diff --git a/usr.bin/talk/msgs.c b/usr.bin/talk/msgs.c
new file mode 100644
index 0000000..733c207
--- /dev/null
+++ b/usr.bin/talk/msgs.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 1983, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)msgs.c	8.1 (Berkeley) 6/6/93";
+#endif /* not lint */
+
+/* 
+ * A package to display what is happening every MSG_INTERVAL seconds
+ * if we are slow connecting.
+ */
+
+#include <sys/time.h>
+#include <signal.h>
+#include <stdio.h>
+#include "talk.h"
+
+#define MSG_INTERVAL 4
+
+char	*current_state;
+int	current_line = 0;
+
+void
+disp_msg()
+{
+	message(current_state);
+}
+
+start_msgs()
+{
+	struct itimerval itimer;
+
+	message(current_state);
+	signal(SIGALRM, disp_msg);
+	itimer.it_value.tv_sec = itimer.it_interval.tv_sec = MSG_INTERVAL;
+	itimer.it_value.tv_usec = itimer.it_interval.tv_usec = 0;
+	setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
+}
+
+end_msgs()
+{
+	struct itimerval itimer;
+
+	timerclear(&itimer.it_value);
+	timerclear(&itimer.it_interval);
+	setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
+	signal(SIGALRM, SIG_DFL);
+}